var express = require('express');
var fs = require('fs');
var io = require('socket.io');
var _ = require('underscore');
var Mustache = require('mustache');

var app = express.createServer();
var staticDir = express.static;

io = io.listen(app);

var opts = {
    port: 1947,
    baseDir: __dirname + '/../../'
};

io.sockets.on('connection', function (socket) {
    socket.on('slidechanged', function (slideData) {
        socket.broadcast.emit('slidedata', slideData);
    });
    socket.on('fragmentchanged', function (fragmentData) {
        socket.broadcast.emit('fragmentdata', fragmentData);
    });
});

app.configure(function () {
    ['css', 'js', 'images', 'plugin', 'lib'].forEach(function (dir) {
        app.use('/' + dir, staticDir(opts.baseDir + dir));
    });
});

app.get("/", function (req, res) {
    res.writeHead(200, {'Content-Type': 'text/html'});
    fs.createReadStream(opts.baseDir + '/index.html').pipe(res);
});

app.get("/notes/:socketId", function (req, res) {

    fs.readFile(opts.baseDir + 'plugin/notes-server/notes.html', function (err, data) {
        res.send(Mustache.to_html(data.toString(), {
            socketId: req.params.socketId
        }));
    });
    // fs.createReadStream(opts.baseDir + 'notes-server/notes.html').pipe(res);
});

// Actually listen
app.listen(opts.port || null);

var brown = '\033[33m',
    green = '\033[32m',
    reset = '\033[0m';

var slidesLocation = "http://localhost" + ( opts.port ? ( ':' + opts.port ) : '' );

console.log(brown + "reveal.js - Speaker Notes" + reset);
console.log("1. Open the slides at " + green + slidesLocation + reset);
console.log("2. Click on the link your JS console to go to the notes page");
console.log("3. Advance through your slides and your notes will advance automatically");
